public void CanWeave_ThirdListIsNOTWeaveable_ReturnsFalse()
{
// Arrange
var lw = new ListWeaver<string>();
var list1 = new List<string> { "Blue", "Gray" };
var list2 = new List<string> { "Blue", "Orange", "Green" };
var list3 = new List<string> { "Green", "Blue" };
// Act
lw.Yarns.Add(list1);
lw.Yarns.Add(list2);
bool result = lw.CanWeave(list3);
// Assert
Assert.False(result);
}
public void CanWeave_SecondListIsWeaveable_ReturnsTrue()
{
// Arrange
var lw = new ListWeaver<string>();
var list1 = new List<string> { "Blue", "Orange", "Green" };
var list2 = new List<string> { "Blue", "Gray"};
// Act
lw.Yarns.Add(list1);
bool result = lw.CanWeave(list2);
// Assert
Assert.True(result);
}
public void CanWeave_NullList_ReturnsFalse()
{
// Arrange
var lw = new ListWeaver<string>();
var list1 = new List<string> { "Blue", "Orange", "Green" };
// Act
lw.Yarns.Add(list1);
bool result = lw.CanWeave(null);
// Assert
Assert.False(result);
}
public void CanWeave_LoopInListIsNOTWeaveable_ReturnsFalse()
{
// Arrange
var lw = new ListWeaver<string>();
var list1 = new List<string> { "Blue", "Orange", "Green", "Orange" };
// Act
bool result = lw.CanWeave(list1);
// Assert
Assert.False(result);
}
public void CanWeave_IndirectLoop_ReturnsFalse_RdW()
{
// Arrange
var lw = new ListWeaver<string>();
var list1 = new List<string> { "Purple", "Yellow" };
var list2 = new List<string> { "Black", "Purple" };
var list3 = new List<string> { "Blue", "Yellow", "Black" };
// Act
lw.Yarns.Add(list1);
lw.Yarns.Add(list2);
bool result = lw.CanWeave(list3);
// Due to list1 and list2, Black is before Yellow (Black->Purple->Yellow).
// list3 therefore introduces a conflict (Yellow before Black).
// Assert
Assert.False(result);
}
public void CanWeave_FirstListToBeIncluded_ReturnsTrue()
{
// Arrange
var lw = new ListWeaver<string>();
var list1 = new List<string> { "Blue", "Orange", "Green" };
// Act
bool result = lw.CanWeave( list1 );
// Assert
Assert.True(result);
}
